Wed, 30 Oct 2024 10:14:47 +0100
fix incorrect UiVar destruction
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1 | /* |
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2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
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3 | * |
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4 | * Copyright 2017 Olaf Wintermann. All rights reserved. |
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5 | * |
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6 | * Redistribution and use in source and binary forms, with or without |
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7 | * modification, are permitted provided that the following conditions are met: |
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8 | * |
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9 | * 1. Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * |
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12 | * 2. Redistributions in binary form must reproduce the above copyright |
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13 | * notice, this list of conditions and the following disclaimer in the |
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14 | * documentation and/or other materials provided with the distribution. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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26 | * POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |
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29 | #include <stdio.h> |
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30 | #include <stdlib.h> |
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31 | |
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32 | #include "../common/context.h" |
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33 | #include "../common/object.h" |
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34 | #include "container.h" |
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35 | #include "entry.h" |
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36 | |
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37 | |
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38 | UIWIDGET ui_spinner_create(UiObject *obj, UiSpinnerArgs args) { |
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39 | double min = 0; |
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40 | double max = 1000; |
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41 | |
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42 | UiObject* current = uic_current_obj(obj); |
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43 | |
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44 | UiVar *var = NULL; |
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45 | if(args.varname) { |
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46 | var = uic_get_var(obj->ctx, args.varname); |
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47 | } |
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48 | |
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49 | if(!var) { |
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50 | if(args.intvalue) { |
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51 | var = uic_widget_var(obj->ctx, current->ctx, args.intvalue, NULL, UI_VAR_INTEGER); |
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52 | } else if(args.doublevalue) { |
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53 | var = uic_widget_var(obj->ctx, current->ctx, args.doublevalue, NULL, UI_VAR_DOUBLE); |
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54 | } else if(args.rangevalue) { |
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55 | var = uic_widget_var(obj->ctx, current->ctx, args.rangevalue, NULL, UI_VAR_RANGE); |
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56 | } |
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57 | } |
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58 | |
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59 | if(var && var->type == UI_VAR_RANGE) { |
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60 | UiRange *r = var->value; |
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61 | min = r->min; |
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62 | max = r->max; |
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63 | } |
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64 | if(args.step == 0) { |
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65 | args.step = 1; |
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66 | } |
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67 | #ifdef UI_GTK2LEGACY |
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68 | if(min == max) { |
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69 | max = min + 1; |
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70 | } |
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71 | #endif |
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72 | GtkWidget *spin = gtk_spin_button_new_with_range(min, max, args.step); |
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73 | ui_set_name_and_style(spin, args.name, args.style_class); |
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74 | ui_set_widget_groups(obj->ctx, spin, args.groups); |
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75 | gtk_spin_button_set_digits(GTK_SPIN_BUTTON(spin), args.digits); |
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76 | UiObserver **obs = NULL; |
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77 | if(var) { |
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78 | double value = 0; |
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79 | switch(var->type) { |
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80 | default: break; |
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81 | case UI_VAR_INTEGER: { |
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82 | UiInteger *i = var->value; |
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83 | i->get = ui_spinbutton_getint; |
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84 | i->set = ui_spinbutton_setint; |
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85 | i->obj = spin; |
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86 | value = (double)i->value; |
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87 | obs = &i->observers; |
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88 | break; |
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89 | } |
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90 | case UI_VAR_DOUBLE: { |
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91 | UiDouble *d = var->value; |
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92 | d->get = ui_spinbutton_getdouble; |
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93 | d->set = ui_spinbutton_setdouble; |
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94 | d->obj = spin; |
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95 | value = d->value; |
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96 | obs = &d->observers; |
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97 | break; |
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98 | } |
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99 | case UI_VAR_RANGE: { |
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100 | UiRange *r = var->value; |
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101 | r->get = ui_spinbutton_getrangeval; |
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102 | r->set = ui_spinbutton_setrangeval; |
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103 | r->setrange = ui_spinbutton_setrange; |
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104 | r->setextent = ui_spinbutton_setextent; |
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105 | r->obj = spin; |
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106 | value = r->value; |
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107 | obs = &r->observers; |
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108 | break; |
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109 | } |
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110 | } |
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111 | gtk_spin_button_set_value(GTK_SPIN_BUTTON(spin), value); |
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112 | } |
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113 | |
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114 | UiVarEventData *event = malloc(sizeof(UiVarEventData)); |
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115 | event->obj = obj; |
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116 | event->var = var; |
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117 | event->observers = obs; |
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118 | event->callback = args.onchange; |
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119 | event->userdata = args.onchangedata; |
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120 | |
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121 | g_signal_connect( |
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122 | spin, |
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123 | "value-changed", |
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124 | G_CALLBACK(ui_spinner_changed), |
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125 | event); |
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126 | g_signal_connect( |
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127 | spin, |
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128 | "destroy", |
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129 | G_CALLBACK(ui_destroy_vardata), |
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130 | event); |
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131 | |
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132 | UI_APPLY_LAYOUT1(current, args); |
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133 | current->container->add(current->container, spin, FALSE); |
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134 | |
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135 | return spin; |
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136 | } |
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137 | |
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138 | void ui_spinner_setrange(UIWIDGET spinner, double min, double max) { |
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139 | gtk_spin_button_set_range(GTK_SPIN_BUTTON(spinner), min, max); |
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140 | } |
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141 | |
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142 | void ui_spinner_setdigits(UIWIDGET spinner, int digits) { |
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143 | gtk_spin_button_set_digits(GTK_SPIN_BUTTON(spinner), digits); |
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144 | } |
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145 | |
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146 | |
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147 | void ui_spinner_changed(GtkSpinButton *spinner, UiVarEventData *event) { |
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148 | gdouble value = gtk_spin_button_get_value(GTK_SPIN_BUTTON(spinner)); |
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149 | UiEvent e; |
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150 | e.obj = event->obj; |
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151 | e.window = event->obj->window; |
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152 | e.document = event->obj->ctx->document; |
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153 | e.eventdata = &value; |
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154 | e.intval = (int64_t)value; |
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155 | |
264
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156 | if(event->callback) { |
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157 | event->callback(&e, event->userdata); |
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158 | } |
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159 | |
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160 | if(event->observers) { |
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161 | UiObserver *observer = *event->observers; |
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162 | ui_notify_evt(observer, &e); |
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163 | } |
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164 | } |
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165 | |
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166 | |
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167 | int64_t ui_spinbutton_getint(UiInteger *i) { |
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168 | i->value = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(i->obj)); |
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169 | return i->value; |
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170 | } |
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171 | |
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172 | void ui_spinbutton_setint(UiInteger *i, int64_t val) { |
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173 | gtk_spin_button_set_value(GTK_SPIN_BUTTON(i->obj), (double)val); |
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174 | i->value = val; |
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175 | } |
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176 | |
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177 | double ui_spinbutton_getdouble(UiDouble *d) { |
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178 | d->value = gtk_spin_button_get_value(GTK_SPIN_BUTTON(d->obj)); |
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179 | return d->value; |
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180 | } |
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181 | |
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182 | void ui_spinbutton_setdouble(UiDouble *d, double val) { |
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183 | gtk_spin_button_set_value(GTK_SPIN_BUTTON(d->obj), val); |
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184 | d->value = val; |
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185 | } |
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186 | |
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187 | double ui_spinbutton_getrangeval(UiRange *r) { |
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188 | r->value = gtk_spin_button_get_value(GTK_SPIN_BUTTON(r->obj)); |
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189 | return r->value; |
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190 | } |
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191 | |
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192 | void ui_spinbutton_setrangeval(UiRange *r, double val) { |
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193 | gtk_spin_button_set_value(GTK_SPIN_BUTTON(r->obj), val); |
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194 | r->value = val; |
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195 | } |
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196 | void ui_spinbutton_setrange(UiRange *r, double min, double max) { |
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197 | gtk_spin_button_set_range(GTK_SPIN_BUTTON(r->obj), min, max); |
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198 | r->min = min; |
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199 | r->max = max; |
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200 | } |
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201 | |
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202 | void ui_spinbutton_setextent(UiRange *r, double extent) { |
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203 | gtk_spin_button_set_increments(GTK_SPIN_BUTTON(r->obj), extent, extent*10); |
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204 | r->extent = extent; |
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205 | } |